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SVBNOY H-Alpha 7nm 1.25" Filter Astronomical! Photographic Narrowband CCD Filter

Product Description

 SVBNOY H-Alpha 7nm 1.25" Filter Narrowband Astronomical Photographic CCD Filter for Deep Sky

Description:  Because H-Alpha is 656nm mainly through the high permeability of the spectrum, and 656nm spectrum of the color presented by the red-based, 300-1100nm cut-off depth to get the details of the launch nebula richer. Extremely narrow bandwidth allows only the 656nm band to pass through the filter, can effectively cut off the artificial light Na lamp and Hg lamp interference to make the transmission line through, so as to improve the nebula contrast. With CCD is better choice for deep sky photography and wide-field astrophotography.

Craftsmanship:

  1. Optical high-precision double-sided polishing to ensure that the parallelism is higher than 30 "and high flatness 1 / 4λ, to ensure that does not affect the image quality of the image.
  2. Precision double-sided optical coating, non-two-piece glue, effectively improve the transmittance and cut-off depth.
  3. Electron Gun Evaporation Technology (E-Beam Gun)
  4. Ion source assisted coating technology (IAD), to improve the density of the film to ensure that the filter wavelength to minimize the impact of temperature caused by the temperature drift.
  5. High uniformity planetary wheel coating fixture to improve the uniformity of the filter wavelength
  6. Optical equipment professional fine sandblasting and anode treatment, the box to do extinction treatment to prevent reflection
  7. Laser engraving LOGO-never fade, fade
  8. Metal frame, superior aviation aluminum

Features:

  1. High cutoff is effective has been the light damage and other stray light interference
  2. Using Germany imported glass, using double-sided polishing processing
  3. For the emission line 656nm transmittance of 85% or more
  4. The narrow-band filter, even in areas where light pollution is heavy, and the full moon (the moon's largest and brightest) is the same, very narrow bandwidth, which reduces the interference of the external environment, but the haze and cloudy The weather is not possible.
  5. Precision CNC integrated molding
  6. Multi-layers anti-reflection coating
  7. Frame with high-quality aluminum alloy material, anodized extinction treatment
  8. Thread: M28.5*0.6
  9. Lined with double-layer EVA damping cotton
  10. Carton PP environmentally friendly materials, simple and beautiful

Package Includes:

  • SVBNOY H-Alpha 1.25" 7nm Filter
  • PP Material Plastic Box

 

Payment
Delivery details
Returns
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Payment

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  • Payment must be received within 7 business days of auction closing.

Delivery details

Processing time:as the item description.

  • We will prepare the shipment in 48-72 hours(Sundays and holidays excepted. )after we receive the payment and after the eCheck is cleared.
  • We only ship to
    the confirmed address provided by PayPal. Please make sure the Ship-To
    address you type during checkout is correct. We are not responsible
    for any wrong or undeliverable addresses.
  • We strive our best
    to provide you the most reliable, affordable way of shipping service.
    But sometimes international delivery is highly depended on the Courier
    Company and local customs/duties. If you do not receive your item on
    time, please contact us immediately for further assistance. Thank you
    for your understanding.

Custom fee
(including VAT&GST):

  • Import duties,
    taxes and charges are not included in the item price or shipping
    charges. These charges are the buyer's responsibility. Please check with
    your country's customs office before bidding. We will try our best to
    help customer do customs clearance.

A:Overseas Warehouse Local Dispatch

  • From US Local Dispatch: USA: 2-6 business days , other countries: 5-14 business days.
  • From UK Local Dispatch: UK: 1-5 business days , other countries: 3-8 business days.
  • From DE Local Dispatch: Deutschland: 1-3 business days , other countries: 2-5 business days.
  • From AU Local Dispatch: AU:2-6 business days.

B: China Domestic Dispatch

Delivery Time

Country
Working Days(not including holiday)
5-7
8-11
12-14
15-19
20-22
>22

Working Days+Saturday+Sunday
5-9
10-15
16-20
21-25
26-30
>31

United Kingdom
Rate(item arrived)
9.9%
63.2%
19.1%
3.4%
4.4%
Refund

Australia
Rate(item arrived)
21.4%
50%
14.3%
7.2%
7.1%
Refund

France
Rate(item arrived)
10.5%
28.6%
43.8%
10.1%
7%
Refund

Germany
Rate(item arrived)
11.1%
22.2%
30.3%
20.9%
15.5%
Refund

Canada
Rate(item arrived)
0%
47.1%
31.4%
17.6%
3.9%
Refund

Spain
Rate(item arrived)
3.5%
25%
47.9%
12.9%
10.7%
RefundYou can pay extra shipping cost to get express delivery, such as EMS, DHL or UPS. It just takes about 5-10 business days to receive order, please contact us if necessary.

Returns

  • All items in our shop are covered by one year warranty.
  • We stand behind every product we sell. If you're not pleased with your purchase, we'll be happy to make an exchange or refund the product price less S&H within 30 days of your purchase via parcel post.
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  • For any exchange or refund, we need the product must be in its original receipt, including the box, packaging and all the accessories.
  • Buyers are responsible for the returning shipping cost. Shipping and handling charges are not refundable.
  • Refund and replacement: Once the carrier has received your item, Please allow up to 10 business days for returns to be processed.
  • If you cannot return it, you can sell it, too!! Been holding on to something past its return date? You can sell it online on eBay! Find its exact match on eBay and click the "Sell an item" button. It's easy.

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    Feedback

    PushAuction

    On Sep-15-18 at 04:15:10 PDT, seller added the following information:

    DataCaciques

    Filed under: Eyepieces & Accessories